#ifndef _THREAD_HPP_
#define _THREAD_HPP_


#include <iostream>
#include <string>
#include <functional>
#include <thread>
#include <unistd.h>
#include <sys/types.h>

// v1 版本
namespace ThreadModule
{
    static int number = 1;
    using func_t = std::function<void(std::string name)>;
    enum class TSTATUS{
        NEW,
        RUNNING,
        STOP
    };

    class Thread
    {
    private:
    // 成员方法
        static void *Routine(void *args) // 要封装为 static 的
        {
            Thread *t = static_cast<Thread *> (args);
            t->_status = TSTATUS::RUNNING;
            t->_func(t->Name()); // 线程回调的时候带出名字
            return nullptr;
        }
        void EnableDetach() { _joinable = false;}

    public:
        Thread(func_t func):_func(func), _status(TSTATUS::NEW), _joinable(true)
        {
            _name = "Thread-" + std::to_string(number++);
            _pid = getpid();
        }
        bool Start()
        {
            if(_status != TSTATUS::RUNNING)
            {
                int n = ::pthread_create(&_tid, nullptr, Routine, this); // TODO
                if(n != 0) return false;
                return true;
            }
            return false;
        }
        bool Stop()
        {
            if(_status == TSTATUS::RUNNING)
            {
                int n = ::pthread_cancel(_tid);
                if(n != 0) 
                    return false;
                _status = TSTATUS::STOP;
                return true;
            }
            return false;
        }  
        bool Join()
        {
            if(_joinable)
            {
                int n = ::pthread_join(_tid, nullptr);
                if(n != 0) 
                    return false;
                _status = TSTATUS::STOP;
                return true;
            }
            return false;
        }
        void Detach()
        {
            EnableDetach();
            pthread_detach(_tid);
        }
        bool IsJoinable() {return _joinable;}
        std::string Name() {return _name;}
        ~Thread()
        {
        }
    private:
        std::string _name;
        pthread_t _tid;
        pid_t _pid;
        bool _joinable; // 是否分离，默认不是
        func_t _func;    
        TSTATUS _status;
    };
}




#endif